package blogsys.demo.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.*;

import static org.springframework.http.MediaType.APPLICATION_JSON;

@Configuration
public class WebMvcConfiguration implements WebMvcConfigurer {
    /**
     *上下文配置
     * @param configurer
     */
    @Override
    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
        configurer.defaultContentType(APPLICATION_JSON);
    }

    /**
     * cors注册
     * @param registry
     */
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        // 设置允许跨域的路径
        registry.addMapping("/**")
                // 设置允许跨域请求的域名
                .allowedOriginPatterns("*")
                // 是否允许cookie
                .allowCredentials(true)
                // 设置允许的请求方式
                .allowedMethods("GET", "POST", "DELETE", "PUT")
                // 设置允许的header属性
                .allowedHeaders("*")
                // 跨域允许时间
                .maxAge(3600);
    }

    /**
     * 拦截器
     * @param registry
     */
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        //对所有请求拦截 允许登录注册
        //registry.addInterceptor(new JwtTokenHandlerInterceptor()).addPathPatterns("/**").excludePathPatterns("/user/login","/user/register");
    }
}
